脉冲源分光电话机
pulsed-source spectrophone
用户电话光端机
Optical Terminal Equipment for Subscribers Telephone
电话无源光纤网络
telephony passive optical network
在无源光纤网上通电话
TPON Telephony over Passive Optical Network
滤光光电光度计
filter photoelectric photometer
内聚光光电－光热复合管
internal-concentrator solar PV-T tube collector
市内电话电话号码配换选号
Selection or Change of Telephone Number
X光光电子光谱学
X-ray photoelectron spectroscopy
X光光电子能谱
XPS
X-ray photoelectron spectroscopy
X射线光电光谱
X-ray photoelectron spectroscopy
X射线荧光光光谱
X-ray fluorescence spectrometry
磁光式光电电流互感器
magneto-optical current transducer(MOCT